Home / 776,429.61-1,164,248.06-355,344.45

Finding the Fourth Proportional to 776,429.61, 1,164,248.06 and 355,344.45

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Solution

The fourth proportional to 776,429.61, 1,164,248.06 and 355,344.45 is: 532,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,429.61 : 1,164,248.06 = 355,344.45 : x
  2. Step 2: Convert to fraction form
    776,429.61/1,164,248.06 = 355,344.45/x
  3. Step 3: Cross multiply
    776,429.61x = 1,164,248.06 × 355,344.45
  4. Step 4: Simplify right side
    776,429.61x = 413,709,084,767.55
  5. Step 5: Solve for x
    x = 413,709,084,767.55/776,429.61
  6. Step 6: Final answer
    x = 532,835.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.